Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/54 of 15/80?"
2154 × 1580 is 796.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/54×15/80 21/54×30/80 63/54×15/80 21/54×45/80 21/54×75/80
© everydaycalculation.com